CN202587019U

CN202587019U - Hot-plug Ethernet communication module

Info

Publication number: CN202587019U
Application number: CN 201220235273
Authority: CN
Inventors: 李玮; 吴晓闯; 白志斌; 张建江; 孟郁金; 王玉宏; 王耀华; 田涛; 李峰
Original assignee: SHANXI LIANHUA WEIYE TECHNOLOGY CO LTD
Current assignee: Beijing rockontrol Information Technology Co.,Ltd.; Rockontrol Technology Group Co ltd
Priority date: 2012-05-24
Filing date: 2012-05-24
Publication date: 2012-12-05
Anticipated expiration: 2022-05-24

Abstract

The utility model provides a hot-plug Ethernet communication module and specially relates to the hot-plug Ethernet communication module integrating an optical port and an electric port. The technical scheme employed by the utility model is that the hot-plug Ethernet communication module includes an MCU core unit, a power source hot-plug control unit, a man-machine interaction unit, a slot position identification unit, an optical fiber communication interface, an RJ45 communication interface and a USB interface. A power source port of the MCU core unit is connected with a power output terminal of the power source hot-plug control unit. The optical fiber communication interface, the RJ45 communication interface and the USB interface are all connected with a communication port of the MCU core unit. The MCU core unit is also connected with the man-machine interaction unit and the slot position identification unit. The hot-plug Ethernet communication module provided by the utility model can be applied to the communication field widely.

Description

A kind of hot swappable ethernet communication module

Technical field

A kind of hot swappable ethernet communication of the utility model module is specifically related to a kind of hot swappable Ethernet light mouth electricity mouthful unified communications module.

Background technology

In industrial process control field, the application of Programmable Logic Controller PLC very extensively, it is programming mode easily, application mode flexibly, wide applications receives liking of numerous Mechanic Engineers deeply; On-the-spot in Industry Control, if PLC device hardware failure or software fault occur, all be that first shutdown system power supply overhauls or change faulty equipment more usually; And in the very high system of some reliability requirements, be not allow to shut down maintenance and shut down to change faulty board, at this moment just necessary charged hot plug fault plate; But when the hot plug fault plate; The source current spike can impact to the circuitry of hot plug, causes the work confusion, resets, even burn circuit; In addition, the interface signal line level can be shaken when inserting once more, thereby influences the operate as normal of other operating circuit in the whole system, therefore, and the operate as normal of PLC in the time of must having the hot plug protective circuit to guarantee hot plug.

Present PLC communication module Ethernet interface is single, and flexibility and the property taken into account are relatively poor, in site environment complicated and changeable, often adopts a plurality of communication modules of Ethernet light mouth and electricity mouth simultaneously, causes system unstable, increases the equipment operation cost.

The utility model content

The utility model overcomes the deficiency that prior art exists, and technical problem to be solved is: a kind of hot swappable Ethernet light mouth electricity mouthful unified communications module is provided.

For solving the problems of the technologies described above; The technical scheme that the utility model adopted is: a kind of hot swappable ethernet communication module; Comprise MCU core cell, Power Supply Hot Swap control unit, man-machine interaction unit, groove position recognition unit, optical communication interface, RJ45 communication interface and USB interface; The power port of said MCU core cell links to each other with the power output end of Power Supply Hot Swap control unit; Said optical communication interface, RJ45 communication interface and USB interface all link to each other with the PORT COM of MCU core cell, and the MCU core cell also is connected with man-machine interaction unit and groove position recognition unit;

Said Power Supply Hot Swap control unit includes current-limiting protection module, overvoltage protective module, hot-swapping controller module, Filtering Processing module and power transfer module; The output of said current-limiting protection module links to each other with the input of power transfer module after being connected in series overvoltage protective module, hot-swapping controller module, Filtering Processing module successively, and the output of said power transfer module is the power output end of Power Supply Hot Swap control unit.

Said MCU core cell adopts the STM32F103ZE processor.

The power output end of said power transfer module comprises the output port of power source of a plurality of different electric pressures.

The beneficial effect that the utility model compared with prior art has is: the utility model adopts hot plug power supply control technology, has realized the module safe hot plug, has guaranteed the operate as normal of system; Support multiple functional unit, peripheral interface is abundant, and expansion is strong, can satisfy the commercial Application of different field; Adopt Ethernet light mouth and electricity mouthful long-range backboard of expansion or remote I/O simultaneously,, realize the quick transmission of data through the USB full duplex communication; The circuit of multiple functional unit is integrated in the circuit board, adopts the multi-layer PCB design, the anti-interference of intensifier.

Description of drawings

Below in conjunction with accompanying drawing the embodiment of the utility model is done further detailed explanation:

Fig. 1 is the electrical block diagram of the utility model;

Among the figure: 1 is that MCU core cell, 2 is that Power Supply Hot Swap control unit, 3 is that man-machine interaction unit, 4 is that groove position recognition unit, 5 is that optical communication interface, 6 is that RJ45 communication interface, 7 is that USB interface, 8 is that current limliting protection module, 9 is that overvoltage protective module, 10 is that hot-swapping controller module, 11 is that Filtering Processing module, 12 is a power transfer module.

Embodiment

As shown in Figure 1; A kind of hot swappable ethernet communication of the utility model module; Comprise MCU core cell 1, Power Supply Hot Swap control unit 2, man-machine interaction unit 3, groove position recognition unit 4, optical communication interface 5, RJ45 communication interface 6 and USB interface 7; The power port of said MCU core cell 1 links to each other with the power output end of Power Supply Hot Swap control unit 2; Said optical communication interface 5, RJ45 communication interface 6 all link to each other with the PORT COM of MCU core cell 1 with USB interface 7, and MCU core cell 1 also is connected with man-machine interaction unit 3 and groove position recognition unit 4.

Said Power Supply Hot Swap control unit 2 includes current-limiting protection module 8, overvoltage protective module 9, hot-swapping controller module 10, Filtering Processing module 11 and power transfer module 12; The output of said current-limiting protection module 8 links to each other with the input of power transfer module 12 after being connected in series overvoltage protective module 9, hot-swapping controller module 10, Filtering Processing module 11 successively; The output of said power transfer module 12 is the power output end of Power Supply Hot Swap control unit 2, and the power output end of power transfer module 12 comprises the output port of power source of a plurality of different electric pressures.

The input of above-mentioned current-limiting protection module 8 can directly link to each other with the backboard power supply; Get the 24V direct current from the backboard slot; 24V direct current through current-limiting protection module 8 and 9 pairs of inputs of overvoltage protective module carries out current limliting and overvoltage protection; The utility model was produced in hot plug process when moment, peak current was with big voltage, can prevent that spike from getting into circuit and causing and permanently destroy with transience, the controller in the above-mentioned hot-swapping controller module 10 has programmable limits electric current, overcurrent protection, latch and function such as operation automatically; 24V direct current after hot-swapping controller module 10 is handled is again after 11 filtering of Filtering Processing module; Send into power-switching circuit 12, power-switching circuit 12 is the DC power supply of each circuit and the needed different electric pressures of module with the 24V voltage transitions, is whole device power supply.

Above-mentioned MCU core cell 1 is the data processing core part; Except the signal of remote I/O being gathered and computing through Ethernet; Satisfy the calculation of parameter of control strategy, outside the state of record controls operation and the logout when breaking down, also will be through the transfer of data between USB communication completion and the upper strata machine; MCU core cell 1 adopts the STM32F103ZE processor; The STM32F103ZE processor is 32 processors based on the ARM core in the STM32 series, this series microprocessor have practicality, at a low price, characteristics such as power saving, high speed and volume be little, also have functions such as low-power consumption sleep function, power-off reset locking, electrify restoration circuit, watchdog circuit; Therefore, has extremely wide application at numerous areas such as Industry Control, instrument and meter, computer, household electrical appliances.

Above-mentioned man-machine interaction unit 3 can have 24 LED displays through the firm and hard existing interactive function of recessed lighting fitting, can show the information such as operation, warning, state indication of collection, the MCU core cell of observation signal; Above-mentioned groove position recognition unit 4 is made up of bus driver and the parallel data converter that changes serial, realizes the collection to backboard groove position signal.

Above-mentioned optical communication interface 5 can connect 1 * 9 Ethernet optical-fibre communications circuit of telecommunication; Above-mentioned RJ45 communication interface 6 can connect netting twine; Above-mentioned USB interface 7 can be realized the usb communication circuit mutual with the upper strata machine, communication unit comprise the usb communication circuit mutual with the upper strata machine, with the RJ45 ethernet circuit of telecommunication and with 1 * 9 Ethernet optical-fibre communications circuit of telecommunication; Adopt Ethernet light mouth and electricity mouthful long-range backboard of expansion or remote I/O simultaneously, carry out communication through USB and upper strata machine, transfer of data is fast, and autgmentability is strong.

It is the hot-swapping controller of TPS2491 that hot-swapping controller module 10 in the above-mentioned Power Supply Hot Swap control unit 2 can adopt model, and the utility model circuit can be integrated in the circuit board, adopts the multi-layer PCB design, improves interference free performance; The utility model links to each other with backboard through Power Supply Hot Swap control unit 2, and this connected mode is installed firmly, does not have connection cable, and the occasion circuit structure that can work in vibration is simple; Have very high reliability, can be applied to has the harsh system that requires to reliability.

Claims

1. hot swappable ethernet communication module; It is characterized in that: comprise MCU core cell (1), Power Supply Hot Swap control unit (2), man-machine interaction unit (3), groove position recognition unit (4), optical communication interface (5), RJ45 communication interface (6) and USB interface (7); The power port of said MCU core cell (1) links to each other with the power output end of Power Supply Hot Swap control unit (2); Said optical communication interface (5), RJ45 communication interface (6) and USB interface (7) all link to each other with the PORT COM of MCU core cell (1), and MCU core cell (1) also is connected with man-machine interaction unit (3) and groove position recognition unit (4);

Said Power Supply Hot Swap control unit (2) includes current-limiting protection module (8), overvoltage protective module (9), hot-swapping controller module (10), Filtering Processing module (11) and power transfer module (12); The output of said current-limiting protection module (8) links to each other with the input of power transfer module (12) after being connected in series overvoltage protective module (9), hot-swapping controller module (10), Filtering Processing module (11) successively, and the output of said power transfer module (12) is the power output end of Power Supply Hot Swap control unit (2).

2. a kind of hot swappable ethernet communication module according to claim 1 is characterized in that: said MCU core cell (1) adopts the STM32F103ZE processor.

3. a kind of hot swappable ethernet communication module according to claim 1 and 2 is characterized in that: the power output end of said power transfer module (12) comprises the output port of power source of a plurality of different electric pressures.